Necessarily, there are some abstract objects, such as numbers.

Since these are all mental, abstract objects, they only exist in the minds of people who think about them.

Furthermore, God was always in close relation to these abstract objects, too.

Person, the class of all people, or the abstract object that can be described by the criteria for being a person.

While others were on the barricades in May 1968, she was painting abstract objects.

For example, one might hold that numbers are particular yet abstract objects.

The "type" that it is a part of, is in itself an abstract object.

The idea that a building should not have the quality of an abstract object was intended to make it responsive to its context.

The elements can be numbers of some kind, or other abstract objects.

Elliptic space is an abstract object and thus an imaginative challenge.